Hot Galvanized welding Steel Pipe and Tube 1) Standard: ASTM DIN a) O.D : 16 - 610mm ... , thickness: 0.8-20.0mmB: Surface finish: black, blank, bright and galvanized C: Length of each pipe: 500mm-16,000mm D ... , DIN2391, DIN2394, DIN17175, JIS G3452, EN10210, EN10305 et Hot Galvanized welding Steel Pipe and Tube